package com.heima.media.service.impl;

import com.baomidou.mybatisplus.core.conditions.Wrapper;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.heima.common.dto.PageResponseResult;
import com.heima.common.dto.ResponseResult;
import com.heima.common.dto.User;
import com.heima.common.enums.AppHttpCodeEnum;
import com.heima.common.minio.MinIOService;
import com.heima.common.util.MediaThreadLocalUtil;
import com.heima.media.dto.WmMaterialDto;
import com.heima.media.entity.WmMaterial;
import com.heima.media.mapper.WmMaterialMapper;
import com.heima.media.service.IWmMaterialService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.util.Date;

/**
 * <p>
 * 自媒体图文素材信息表 服务实现类
 * </p>
 *
 * @author mcm
 * @since 2022-04-12
 */
@Service
public class WmMaterialServiceImpl extends ServiceImpl<WmMaterialMapper, WmMaterial> implements IWmMaterialService {


    @Autowired
    private MinIOService minIOService;

    @Override
    public ResponseResult<WmMaterial> upload(MultipartFile file) {

        // 从本地线程查询用户
        User user = MediaThreadLocalUtil.get();
        if (user == null) {
            return ResponseResult.errorResult(AppHttpCodeEnum.NEED_LOGIN);
        }
        // 调用minio服务上传
        String url = minIOService.upload(file);
        // 构建素材表对象
        WmMaterial material = new WmMaterial();
        material.setUserId(user.getUserId());
        material.setUrl(url);
        material.setType(0);
        material.setIsCollection(false);
        material.setCreatedTime(new Date());
        // 保存素材
        this.save(material);
        return ResponseResult.okResult(material);
    }

    @Override
    public ResponseResult listByCollection(WmMaterialDto dto) {
        // 从本地线程查询用户
        User user = MediaThreadLocalUtil.get();
        if (user == null) {
            return ResponseResult.errorResult(AppHttpCodeEnum.NEED_LOGIN);
        }
        LambdaQueryWrapper<WmMaterial> query = new LambdaQueryWrapper<>();
        // 用户只能查询自己上传的图片
        query.eq(WmMaterial::getUserId, user.getUserId());
        // 判断传入的状态是否为空
        if (dto.getIsCollection() != null) {
            query.eq(WmMaterial::getIsCollection, dto.getIsCollection());
        }
        // 根据创建时间倒序排
        query.orderByDesc(WmMaterial::getCreatedTime);
        // 分页查询
        IPage<WmMaterial> page = new Page<>(dto.getPage(), dto.getSize());
        IPage<WmMaterial> iPage = this.page(page, query);
        PageResponseResult result = new PageResponseResult(dto.getPage(), dto.getSize(), iPage.getTotal(), iPage.getRecords());
        return result;
    }
}
